<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html lang="en">
<head>
	<meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
	<title>CSS四种样式的练习</title>
	<link rel="stylesheet" href="01.css">

<body>
	<p>外部样式</p>
	<p style="color:blue;font-size:10px">内联样式，或者叫行内样式</p>
	<h1>导入样式</h1>
	<style type="text/css">
	span{
		color:green;
	}
	</style>
	<span>内部样式</span>
</body>
</html>